León first began playing the guitar at the age of 15. His first band was Los Reales, before founding Grupo Arranke with four friends in 2010. The group gained traction with their song "A Través del Vaso". He was a member of Grupo Arranke for seven years, until deciding to start a solo career in 2018. His career took off with his solo version of "A Través del Vaso". His other songs "Me La Avente" and "Tú", a cover of the 1999 song by Noelia, both have charted on Billboard's Hot Latin Songs, Latin Airplay, and Regional Mexican Airplay charts.